Question

2. Shiela had saved 3,000 in an account that offered r% simple interest per
annum in 20 March 2015. If the interest on 6 June 2015 was 50, find the value
of r using Banker's Rule. (7.69%)
3.
Kevin invested 4,000 in an investment scheme on 18th October 2016. The
investment offered a simple interest rate of 5% per annum. By using approximate
time and exact simple interest, find the total interest received on 20th December
2016. (RM33.88)​

Answer 1

Answer:

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